Vincent o



Feb. 28, 1928.

V. G.'APPLE.

MACHlNE FUR BENDlNG ARMATURE TERMmALs.

Original Filed Dec. zo, 1,9154

8 SHEETS SHEET l.v

Feb. 28, 1928.

V. GA. APPLE.

MACHINE FOR BENmNG ARMATURE TERMINALS.

original Filed Dec. 23, 1918l a SHEETS-SHEET 2.

Feb. 28, V. Q APPLE Re.

MACHINE FOR BENDING ARMATURE TERMINALS.

Original Filed De.. 23, 1918 8 SHEETS-SHEET 3.

Feb. 28, l1928.

v. GAPPLE. Re. 16,889

MACHIN FO-R BENDING ARMATURE TEHMLNALS.

original Filed Dec. 2:5,l 191e 8 SHEETS-SHEET 5- Feb; 284, 192.8.

v. G. APPLE..

MACHINE FOR BENDING ARMATUBE TERMINALS.

shin e.

original Filed Deb. 2;, 191s 8 SHEETS H mlm M'ACHINE FOR BENDING ARMATURE TERMINALS.

Original Filed Dec.l 23, 1918.

8 SHEETS-SHEET 7.

V. G. APPLE.

MACHINE FOR BENDING AHMATURE TERMINALS.

Feb. 2s, 192s. Re. 16,889

Original Filed Dec. 23I 1918 s SHEETS-SHEET m. 7x p Reiseued Feb. 28, 1928.

V Re. 16,889`

PATENT OFFICE.

VINCENT G. APPLE, I' DAYTON', OHIO.

HACHINE FOR BENDING -ARMATUBE TEBMIIWALS.

Original No. 1,332,154, dated February 24, 1920, Serial- No. l268,021, led December 1918. Application for reissue led .Tuly 12, 1927. Serial No. 205,281. y

which the terminal ends of armature conductors, at one or both ends of the core, may all simultaneously' and uniformly be bent into? respective positions, in appropriately disposed pairs, one or both ends of which may then be connected to commutator segments. l0 Another object of my invention` is to pro- 4 Avide a tool, and means for adjusting it, so that the extent to which the terminals are displaced will be automatically determined to the end that the operation consecutively performed on a series of like armatures may quickly and accurately be accomplished.

The present invention provides 4means whereby certain power driven instrumental,- ities are employed to carry into eiect the l0 object sought in Letters Patent No. 1,238,959,

granted to Edward J. Tomlinson for a terminal bending tool for armatures, September 4, 1917, and for making armatures, substantially as shown in my copending application Serial No. 139,753, filed December 30, 1916` wherein the conductor bars project from each end of the core and which bars are intended to be subsequently bent to their respective positions and suitably paired I0 prior to being joined together. as by welding or otherwise, and in which either of theseries of ends may be .connected to respective commutator sections.

Bar wound, or single turn armatures, in 86 which the conductor terminals are bent `:from

axial position into new circumferentially directed planes to form appropriate pairs for connection with the respective segments of armature commutators, require the services of relatively highly paid 'experts to accomlish this operation, when such work has een done byhand, as heretofore, and when each of the terminal wires is separately manipulated. l

The amature terminalndsmust be bent` uniformly without vertical deviation from their initial axial planes, so as not to` occupy any greater space in the aggregate, in their defiected positions, than when in their initial axial positions, to economize lend room and to avoid danger of short-circuiting.

It re uires a Jgreat deal of power to bend all of t e terminals of an armature atone time, but in doing so, the time required, for

yterminal bending p ates or m the purpose is materially shortened and uniformity of results is produced.

'In my present invention I provide a mav ends, at the same time and so arranged that when the bending act has been performed, as desired, the bending operation may be automatically or manually stop after which the arma-turewhich previously had substantially straight bars projecting from the ends ofthe core, may be replaced by another similar one upon which the desired operation is to' be formed, so that when the armature comes from the machine, the ends are in place to be joined together.

Other and further and more specific objects of my invention will become readily apparent, to persons' skilled in the art, from a. consideration of the following descri tion when taken in conjunction with the rawings, Vwherein l Fig. 1 is a plan view/of the machine.

Fig. 2 is a side elevation of the machine showing the side upon which the controlling mechanismV is located.

Fig. 3 is an enlarged section taken on line 3 3 of Fig. 2. 4

Fig. 44 is a section taken on line 4.-4 of Fig. 3. l.

Fig. 5 is a transverse section taken on line 5-5 of Fig. 4.

Fig. 6 is a transverse section taken on line 6--6 ofv Fig. 4.

Fi 7 is anvenlar ed view of abpair of the Fig..8 is a'fragment of a pair of the bendl ing members showing a pair of armature termmals in place and the extent to which they are displaced in the finished bends.l

Fig. 9 is a trigger mechanism for stoppin the machine in aociation with the clutc closing means. v

Fig. 10 is a fragment of an armature core showin one set of terminals projecting from one end they are placed i-n. pairs.

Fig. 11- is a transverse section taken on line 11--11 of Fig. 3.A l

Fig. 12 is a transverse line 124-12 of Fig. '3. l

In all the views the same reference charthereof and the manner in whichl section taken onacters are employed to indicate similar parts. y

A more or less cylindrical frame 15 is 'open along its top surface, as at 16, and is provided at its ends with removable heads 17 and 18. The frame is laterally enlarged, as at 19, to contain the driven Worm wheel 20, and to the bottom of Ithe enlar ed portion 19 is bolted a casing 21 in which the driving worm 22 which rotates the wheel 20 is contained. The extended end 23 'is the driving shaft thru which power is to be applied to the machine. For convenience of operation vthe frame is mounted upon pedestals 25 and The wormv wheel 20 is provided with an elon ated hub 27 which is normally loose on the s aft 28. It is also provided with four yapertures in the disk 29 comprisinga four jawed clutch member 29. The cooperating clutch member 30 is slidable vupon a shaft 28 andthe elongated hub 27 thereof is prolonged into a sleeve 31. It is provided with four cooperating clutch members 30 which enterthe openings 29 near the hub 27 of the wheel 2O when the two clutchpmembers are connected/ together for the purpose of driving the shaft 28. The shaft is enlarged lat- 'erally to provide four lateral projections 28', as shown in Fig. 12--that engage openings 30 inthe sleeve 31. By this means the clutch members 29 and 30 connect the worm wheel 20 with the shaft 28. The sliding clutch member 30 is laterally enlarged, as at 32, which enlar ement contains an annular' groove within w ich the yoke ends 33 and 34, of the yoke 35, project, for the purposeof laterally moving the clutch member 30 along the shaft 28 to connect and disconnect the clutch members lwhen it is desirable to rotate or stop rotation of the shaft 28. A shaft 36' supports the yoke member 35, and finds bearings at its respective ends in the standards gages thesquared end of the shaft 36- and fin s bearing 42 in the -frame `15. The shaft 40 is'adapted to be oscillated by the operating handle 43, whereby thel clutch members 29 and 30 are adapted to be brought into engagement or from engagement, in accordance with the direction 1n which the 'handle 43 is moved. This feature of the apptratus will be more fully described hereina er.

Bearing rings 44 and 45, near the outer ends of the shaft 28, are supported in the standards 46 and 47, respectively. An elnted pinion 48' is secured to one end of thev aft by the key 49 and a similar pinion 50 is secured to the other end of the shaft, by a,

key 51. i l

A beveled 'gear wheel 5.2v is secured tothe shaft 28 may be rotated, by rotationbf the hand wheel 57, for a purpose hereinafter v secured thereto by bolts 78 and which carries frame, it will be apparent that when the shaft 28, by a. key 53, and a bevel pinion 54, meshes with the teeth of the bevel gear wheel. A shaft 55 is supported in the frame near its outer end, as at 56, and on the outer end it is provided with a. hand wheel 57.

Near its inner end it is supported by `a bearing 58 of the standard 59, so that the more fully explained.

The shaft and gear wheels which I have heretofore explained. to which power is ap-v plied for driving the machine, are bodily stationary. On either side of the longitudinal center of the machine are longitudinally movable heads .60 and 60. As vthese heads 30 and the parts attached thereto are substantially duplicates, I will describe one head, referring to it and its parts by reference characters and to similar parts in the other head by the same characters with the addition of the exponent prime The head 6() is provided with laterally extending guides 61 and .62, which slide upon thevflat surfaces 63 of the frame that .bounds the opening 16 of the frame 15. A gib plate 64 is secured to the part 65 by aseries of screws 66, to permit free axial movement of the head in the guides thus afforded. Depending from the head 60, at each end, respectively, are spaced apart arms 67 and 68, 95 which afford bearings for a shaft 69. In the head 60 is a shaft 70. The half boxes 71 are secured to the head 60 by bolts 72 to afford bearings for the shaft 70, and to hold it in place on the head.

Suitably fixed to the shaft- 69 is a drum cam 73, having a circumferentiall extending spiral groove 74 in its outer sur ace. The spur gear wheel 75 is fixed to the drum 73, by bolts 76. lThe gear wheel 75 meshes with the spur gear pinion 50, onv the drive shaft 28. The pinion 50 is elongated sothat thegear wheel 75 may be moved axially thereof without bein lout of mesh therewith.

Fixed to t ie frame 15 is a cross bar 77,

at its mid-portion a. roller 79 that projects into the groove 74 of the drum cam 73. Now inasmuch as the cross bar 77 is fixed to the l shaft 69 is rotated thru the instrumentality of the shaft 28, the pinion 50 and the gear wheel 75, that the head 60 and the connecting mechanism including the spiral cam 73,V shafts 69 and 70 will be axially moved with the head and the arrangement is such that theshafts 69 and 69', 70 and 70 will be moved toward each other in one cycle of their o erationand awayA from each other in the ot er cycle of operation, or in. other words, when the drums 73, 73 are rotated in a manner described, one rotation of the shafts 6 9, 69- will serve to move the respective heads toward each other and from each other, for a purpose to be hereinafter more fully described. y,

Secured vto the inner end of the shaft 70 is an armature terminal bending member 80. The rotatable plate or member. 80, more fully shown in Figs. 7 and 8, is provided with a Aseries of grooves 81 in the periphery, properly spaced apart, to contain terminals 82 of an armature. Concentrically arranged with the bending member 80 is another bending plate or member 83, having a corresponding number of grooves 84 for containing armature 'terminals 85. The grooves in the members 80 and 83l are alike 1n number and are correspondingly uniformly spaced apart. The bending members 80 and 83 are to be oscillated in opposite direction as shown by the corresponding arrows 86 and 87. The member 80 is preferably in the form of a disc'or plate that may be removably secured 4to the head 88, on the end of the shaft 70,

as by pins 89, or otherwise, and the bending member 83 is/preferably a fiat ring that may be securedA to the heady 89, as by pins-90, or

otherwfse, and these members may be replaced with other pairs of members having different numbers and sizes of slots with arbitrary spacings to correspond with the windings of the armature, or the size of the bars constituting the electrical conductors placed upon the armature core.

The head 89 is extended rearwardly into a sleeve 92on which is mounted and to which is secured a downwardlyl depending lever 93, having an integral hub 94, vA similar-lever 95 having a hub 96, is suitably secured directly to the shaft 70. The lever 93bears upon one side of the shaft 69, the lever 95 on the otherside, as more clearly shown in Figs. 6 and 7. The levers 93 and 95 are ea'ch provided on their free ends, with rollers 98 and each bears uponthe outer surface of their respective right and left hand cams 99. These cams are each secured to the shaft 69 by a suitable key 100. Now it` will be manifest that when the shaft 69 is rotated, the shaft and head 89 will be oscillated' by the instrumentality of the cams 99 and the levers 98. The shaft 70 will by this means be oscillated in one direction, whi le the bending head 89 will be rotatablyoscillated in the opposite direction, as shown by the arrows 8 6 and 87, in Fig. 7. Sfnce Ithe rotation vof shaft 69 causes drum cam 73 and cams 99 to operate together, it is obvious that when'v the bending members 8O and 83 are rotated, they are atY the same time moved axially toward the armature, and that this movement causes grooves 81 and 84 to move toward the armature in helical paths, carrying the ends of terminals 82 and 85 with them to new positions.` A spring 101, one for each lever, has one of its ends 102 fixed to the lever and the other end, securedto a. fixed part 103 ,of the `thus drive the bending members. the lever 43 is raised until the dog 104 engages the shoulder 105, von a latch member 106. By this means the yoke membei 35 is swung on the shaft 36, thus bringing the clutch members into driving relation. The end of the do 104 will rest on the shoulder 105, being he d there by the spring 107, and so long as this trig r mechanism occupies the position descried, the shaft 28 will be rotated.

The latch member 106 is pivoted. as at 108,'

and to this pivot is attached another handle `109 by which the latch member 106 ,may be moved. When the bending members have been rota-bed to the desired or proper yposition, in the manner described, the latch lever 109 may be manually depressed, whereby to withdraw the latch 106 from contact with the dog 104 and thereby the spring 107 will move the clutch members automatically to open lposition to stop the machine. It i's within the skill of an ordinarv mechanic to arrange means .for automatically moving the latch lever 109jto accomplish this function, but `for the purpose of clearness I have omitted such an apparent constructive modification from the drawings.

Midway of the frame 15 and below the horizontal opening in the upper vsurface thereof, is an integral bridge member 1.10,

preferablvin the shape of an inverted arch, joining the sides of the frame 15 together for greater strength, at this point; A curved armature clamping `member 111, is fixed to the sides 15 and 15" by screws 112. At `one end of the clamping member 111 is pivoted a. coo erating clamping member 113, as'at 114, t e other end 115 being held in place in cooperation with the corresponding clamping member 111, b means of a bolt 116, and a nut 1`17, the lirolt being pivoted,

as at 118, to the lower clamping membery 111. Between theseclamping members the armature core 125'with the straight bars projecting from one o'r both of its ends. is

supported. The ends 82 and 85, of the amialis ture, constituting the conductors that are to be bent into proper positions and to be joined in appropriate pairs are included in the respective apertures 81 and 84 of the bending members 80 and 83.

In .order to secure proper register of the terminals with the apertures in the bending members, the shaft 28 maybe turnedl by hand, thru the instrumentality of the' gear wheel 52, the bevel pinion 54, the shaft 55 and the hand whee1 57, before the clutch members 30 and 31 are brought into operative association.

After the terminals ofa given armature have been bent to the extent and into the positions desired, it may, be removed from the machine and another armature with straight terminals placed therein, whereupon the machine may again be put thru its cycle of operation. v

While I have bodiment of my invention for the purpose of clear disclosure it is manifestto persons skilled in the art that changes may be made in the general arrangement and configuration of the parts within the scope of the appended claims.

Having described my ihvention, what I claim is 1. A machine having in combination, means for holding an armature having axially projected terminals; two independently rotatable parts, each partV provided with a plurality of armature--terminaleengaging means, 'and power means, to move said terminalengagingvmeans to circumferentially displace said terminals and means for controlling the power means.

2. A machine having in combination, means for holding an armature having axially projecting terminals, two independently rotatable parts, each part provided with a plurality of armaturetermin:1l-engaging means, said means, on the two'parts, be-

ving revoluble in opposite directions; power means to move the said terminal-engaging -means to circumferentially displace the said terminals and means to stop the rotation of said rotatable means.

3. A machine .having in combination, means fo'rholding'an armature having axially projecting terminals at each of its ends; two inde ndently rotatable parts at each lend of t e armature, each part provided Iwith a plurality of armature-terminal-engaging means, and power means for simultaneously moving said terminal-engaging means to circumferentially displace the terminals to form appropriate pairs thereof and means for controlling the power means.

4. A machine having in combination, means for holding an armature having axially projected terminalsat each of its ends;

two lndependently rotatable parts at. eachv end of the armature, each part provided lwith a plurality of 'armature-terminal-en-- gaging means for engaging the respective terminals; power means to simultaneously move said terminal-engaging means to 'circumferentiallydisplace the terminals to form appropriate pairs thereof and means to sto movement of the rotatable arts.

5. machine having in com ination,

, pluralityv herein shown a single em.

means for holding an armature havingaxially projecting terminals; two independently rotatable parts, each part provided with a of armature-terminal-engaging means, said means on the two parts being revoluble in opposite directions; power means to move Y said terminal-engaging means to circnmferentially displace said terminals and means to stop movement of said rotatable parts.

6. A machine having inl combination, means to hold an armature having axially projecting terminals; a head containing a terminal-engaging part rotatable in one di-y rection; another head, containing aterminalengaging part rotatable in the opposite direction; power driving means to rotate said heads; means for connecting said heads to said driving means; a latchto maintain the connection and a spring and connection to actuate said means to disconnect the heads from said power driving means when theA llatch members are disengaged.

7. A machine having in combination, means tov hold an armature having axially 'projected terminals; a head containing a terminal-engaging part rotatable in one direction; another head, containing a terminalfengaging part rotatable in the opposite direction; power driving means to rotate said head; means to move the heads toward the armature while beingl rotated; and

means for connecting said heads to said 9. A machine having in combination, means to hold an armature having axially projected terminals a head containing a terminal-engaging partrotatable in one direction; another head containingy a termlnalengaging part rotatable in the opposite direction; means to adjust the heads with respect to the terminals; power driving means to rotate the said heads; means to move the hea-dstoward the armature while being ro- 'tated; means for connecting the said heads to the ,said 'driving means and means to quickly disconnect said driving means and heads.

10. Apparatus for bending the ends of bar conductors extending thru the slots of an armature core, certainconductors being lcbar conductors extending cated in the slots nearer to the axis of the.

core than others, the inner .conductor ends `being dis osed in a circular row and the outer'con uctor ends in a circular row concentric with the inner row, which comprises, in combination, two coaxial rotatable members provided with concentric rows 'of p ber to impartaxial movement to the other member.

y 1I 11. In a .machine for forming integral end connecting portions for a bar winding b bending the ends of the concentric rows o straight bars where they extend' beyond the core of a dynamo electric machine element at both ends thereof, the combination of a means for holding the core against rotative and axial movement, a bar engagin 'i means for the endvof each bar at eachen of said core, power driveny means for mov- `ing said bar engaging means in helical aths toward said core` to. appropriately ben said bars to form said endconnecting portions and means to start and stop said power driven means.-

12. For bending leads on a plurality of from the slots of a dynammelectric machine core, a paratus comprising means for holding t ed core against -v rotative and axial movement, a bar engaging means for eachbarwat the end of the core, power driven means to simultaneousl move the said barA engaging means in helical paths toward said core to appropriately bend said bars and means to start and stop said .power driven means.

13. A machine for foijmingleads by bendin the ends of conductor bars extending u the endof .a dynamo electric machine coregin two concentric rows, said machine j''coinprisiiig', in'combination, means to` hold.

thq core 'against rotative and axial lmov'e- 'ment,twoconcentric,rows of end engaging mean`s-'adapted respectively' to engage the y.. rows of -cdnd uctor ends, power driven means to movethefrows of end engaging means in heliealfpaths ,toward said core, the one row I -helicall` opposite the other row to appro-` priately?v bend the conductor ends; and meansl testart and sto `said power driven means. 14. InA a mac ine for form' leads Aby bending the straight endsv of con uctor hars whichl project thru and .axially beyond the vnectingA portions of a bar windin end of ia dynamo electric machine: core, lthe gaging means for the end of each and every y bar, power driven means to move said engaging means in helical paths toward said core to appropriately bend said bars to form leads thereof, and means to startv and stop said power driven/means.A

15. A machine for forming the end co1iintegral therewith, by bending theA ends o the concentric rows of straight bars .where they extend Ybeyond both ends of a dynamo electric machine core, said machine comprising, in combination, a bar engaging meansfor the end of each bar at each endv of said core, power driven means for moving said bar engaging means in helical paths toward said core to appropriately bend said bars to form said end connectin portionsA and means tok start and stop said power driven means.

16. In a machine for bar winding a' dynamo electric machine core having its winding apertures filled with a plurality of straight bars which extend beyond the core at both ends, the combination of .means for holding the core. a ainst rotative and axial movement, notche members at each end of the core and in axial ali nment there'- with adapted to receive the en vs of said bars in said notches, and means to move the-- notches of said members at each end of saidI core. in helical paths toward saidv core tov helically dispose the straight ends of the bars.

17. In a machine for bending the ends of(v from the slots of t and means toA connect an disconnect saidJ power means.

In testimonlyl7 whereof I hereunto set my hand, this 2st day of May 1927.

VINCENT G. APPLE. 

